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How to set custom location for local installation of npm package?
...n your path, but is not intended for anything via require()
Using a prefix means you need to add appropriate bin and man paths to $PATH
npm link (info) lets you use a local install as a source for globals
→ stick to the Node way and install locally
ref:
Perfect summary from isaacs
npm FAQ: "n...
How to get an array of specific “key” in multidimensional array without looping
Let's assume I have the following multidimensional array (retrieved from MySQL or a service):
4 Answers
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Are std::vector elements guaranteed to be contiguous?
...to improve efficiency. The elements of a
vector are stored contiguously, meaning that if v is a vector where T is some type other
than bool, then it obeys the identity &v[n] == &v[0] + n for all 0 <= n < v.size().
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Reorder / reset auto increment primary key
...ySQL table with an auto increment primary key. I deleted some rows in the middle of the table. Now I have, for example, something like this in the ID column: 12, 13, 14, 19, 20. I deleted the 15, 16, 17 and 18 rows.
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Why are unsigned int's not CLS compliant?
...to behave as members of an abstract algebraic ring rather than as numbers [meaning, for example, that if an unsigned 16-bit integer variable equals zero, decrementing it is required to yield 65,535, and if it's equal to 65,535 then incrementing it is required to yield zero.] There are times when su...
Java Immutable Collections
... elements into it , and this addition will be visible to c2. Does that not mean its not immutable ?
– Bhaskar
Oct 10 '11 at 13:42
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How do I ignore all files in a folder with a Git repository in Sourcetree?
... file itself will make git track the folder (by tracking this file). The * means ignore all files, and the !.gitignore means don't ignore the file itself
– Billy Moon
Mar 12 '12 at 10:36
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Rails select helper - Default selected value, how?
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This should do it:
<%= f.select :project_id, @project_select, :selected => params[:pid] %>
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Why is SSE scalar sqrt(x) slower than rsqrt(x) * x?
...n flight at once. The right answer is rsqrt's much lower accuracy, which means much less work to do (or none at all?) after a table-lookup to get a starting guess.
– Peter Cordes
Jul 6 '16 at 2:02
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How to declare std::unique_ptr and what is the use of it?
...d delete
Now unique_ptr is a smart pointer that models unique ownership, meaning that at any time in your program there shall be only one (owning) pointer to the pointed object - that's why unique_ptr is non-copyable.
As long as you use smart pointers in a way that does not break the implicit co...